body{
    background: #f9f9f9;
}

.top{
    position: fixed;
    left:0;
    right:0;
    /*width:100%;*/
    height:60px;
    box-sizing: border-box;
    padding:0 30px;
    background: #3572c5;
    line-height: 60px;
    color:#fff;
    font-size:16px;
}
.left{
    position: fixed;
    left:0;
    top:60px;
    bottom:0;
    width:250px;
    background: #3572c5;
    color:#fff;
    transition: width .5s linear;
    z-index: 1000;
}
.right{
    position: fixed;
    top:60px;
    left:250px;
    right:0;
    bottom:0;
    transition: all .4s linear;
    z-index: 999;
    overflow-y: scroll;
}
.left-btn{
    position: absolute;
    top:50%;
    bottom:50%; /* 按钮始终保持中间位置 */
    right:-16px;
    width: 16px;
    height: 50px;
    background: url(../imgs/back.png)#2160a2 no-repeat center center;
    background-size: 14px;
    border-top-right-radius:8px;
    border-bottom-right-radius:8px;
    z-index: 1001 !important;
}
.left-list{
   overflow: hidden;
}
.left-list ul li{
    cursor:pointer;
}
.left-list ul li.active,.left-list ul li:hover{
    background:linear-gradient(to right, rgba(255,255,255,.6), rgba(255,255,255,.2));

}
.left-list ul li span{
    width:100%;
    box-sizing: border-box;
    padding-left:85px;
    display: block;
    line-height: 60px;
    height:60px;
}
.icon1,.icon2{
    background: url("../imgs/nav2.png")40px 20px no-repeat;
    background-size: 22px;
}
.icon3{
    background: url("../imgs/nav4.png")40px 20px no-repeat;
    background-size: 22px;
}
.icon4{
    background: url("../imgs/nav5.png")40px 20px no-repeat;
    background-size: 22px;
}
.change-left{
    width:60px;
}
.change-left .left-list ul li span{
    width:0;
    padding-left:60px;
    background-position: 20px 20px;
}
.change-right{
    left:60px;
}
.left-two{
    height:0;
    overflow: hidden;
    transition: height .5s ease;
}
.left-two-2.active{
    height:300px;
}
.left-two-3.active{
    height:180px;
}
.left-two p{
    height: 60px;
    line-height: 60px;
    background: rgba(255,255,255,.4);
    color:#fff;
    padding-left:85px;
}
.left-two p:hover{
    background: rgba(0,0,0,.5);
}
.right-box{
    margin:20px;
    background: #fff;
    padding:30px;

}
table{
    border-collapse:collapse;
    margin:0 auto;
}
table tr th,table tr td{
    border:1px solid #eee;
    padding:10px;
}